diff --git a/spec/oga/xml/lexer/html_closing_rules/colgroup_spec.rb b/spec/oga/xml/lexer/html_closing_rules/colgroup_spec.rb
index 79837b5..cc0bf41 100644
--- a/spec/oga/xml/lexer/html_closing_rules/colgroup_spec.rb
+++ b/spec/oga/xml/lexer/html_closing_rules/colgroup_spec.rb
@@ -1,8 +1,8 @@
 require 'spec_helper'
 
 describe Oga::XML::Lexer do
-  describe 'HTML colgroup elements' do
-    it 'lexes an unclosed <colgroup> followed by another <colgroup>' do
+  describe 'using HTML <colgroup> elements' do
+    it 'lexes two unclosed <colgroup> elements as separate elements' do
       lex_html('<colgroup>foo<colgroup>bar').should == [
         [:T_ELEM_NAME, 'colgroup', 1],
         [:T_TEXT, 'foo', 1],
@@ -12,5 +12,23 @@ describe Oga::XML::Lexer do
         [:T_ELEM_END, nil, 1]
       ]
     end
+
+    it 'lexes a <col> element following a <colgroup> as a child element' do
+      lex_html('<colgroup><col>').should == [
+        [:T_ELEM_NAME, 'colgroup', 1],
+        [:T_ELEM_NAME, 'col', 1],
+        [:T_ELEM_END, nil, 1],
+        [:T_ELEM_END, nil, 1]
+      ]
+    end
+
+    it 'lexes a <template> element following a <colgroup> as a child element' do
+      lex_html('<colgroup><template>').should == [
+        [:T_ELEM_NAME, 'colgroup', 1],
+        [:T_ELEM_NAME, 'template', 1],
+        [:T_ELEM_END, nil, 1],
+        [:T_ELEM_END, nil, 1]
+      ]
+    end
   end
 end